Title :
Cladding mode effect in superstructure fiber Bragg gratings and its applications in simultaneous strain and temperature measurement
Author :
Bai-Ou Guan ; Wai-Sing Man ; Hwa-Yaw Tam
Author_Institution :
Dept. of Electr. Eng., Hong Kong Polytech., Kowloon, China
Abstract :
Periodically modulated exposure makes the superstructure fiber Bragg grating functions as a long-period grating and so introduce broad-band loss peaks in the transmission spectrum. This characteristic has applications in simultaneous measurement for temperature and strain.
Keywords :
Bragg gratings; fibre optic sensors; optical fibre cladding; optical fibre losses; strain measurement; strain sensors; temperature measurement; temperature sensors; broad-band loss peaks; cladding mode effect; long-period grating; periodically modulated exposure; strain measurement; superstructure fiber Bragg gratings; temperature measurement; transmission spectrum; Capacitive sensors; Fiber gratings; Narrowband; Optical fiber communication; Optical fiber sensors; Optical resonators; Propagation losses; Strain measurement; Temperature measurement; Temperature sensors;
Conference_Titel :
Optical Fiber Communication Conference and Exhibit, 2001. OFC 2001
Conference_Location :
Anaheim, CA, USA
Print_ISBN :
1-55752-655-9
